7.A dab of primer or concealer can work wonders for fixing smudges.

8.Start by drawing a messy line, then clean it up with a little petroleum jelly.

To avoid globs of jelly on your eyelid, wipe the swab on the back of your hand after dipping it in. (And, uh, you will probably need a little help from makeup remover pre-jelly if you accidentally cover your entire lid with eyeliner.)